Perhaps you should try some spelling variations:
formal communication » informal communication, oral communication, moral communication
communication cost » communication costs, communication costa, communications costs
information van » information avant, informatie van, information vi
technologies 2 » technologies _, technologies 4
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
thanh formal » than formal, have formal, when formal
developing 2 » developing _, developing a, developing e
van thanh » tran thanh, phan thanh, lam thanh
cost 3.2 » cost 2.4
2 access » 3 access

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 2 information van thanh formal communication cost 3.2 developing 2 access.*.